2
rough(sharp, careless, thoughtless, rash, insensitive)
2
rushed(adjective, quick, speedy, sudden, hurried)
2
rushing(adjective, rash, reckless, impetuous, sudden)
2
scree(noun, remains, ruins, rubble)
2
short-sighted(adjective, foolish, thoughtless, unwise, risky)
2
slapdash(adjective, careful, quick, speedy, hurried)
2
smart-ass
2
snippety(adjective, attitude, informal, courtesy, impudent)
2
sophomoric(adjective, reckless, inexperienced)
2
spontaneous(adjective, thoughtless, impetuous, sudden, unwary)
2
straightforward
2
swift(adjective, quick, thoughtless, impetuous, sudden)
2
tasteless(adjective, bright, offensive, vulgar, improper)
2
tawdry(adjective, bright, vulgar, bold, tasteless)
2
unadvised(adjective, smart, careless)
2
unblushing(adjective, cool, smart, harsh, offensive)
2
uncivilized(adjective, discourteous)
2
uncouth(adjective, discourteous)
2
uninhibited(adjective, familiar, self-assured, presumptuous)
2
urgent(adjective, quick, speedy, sudden, hurried)
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APASmart Define. (2015). brash thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/brash/thesaurus/synonyms
ChicagoSmart Define. 2015. "brash thesaurus" https://smartdefine.org/brash/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, brash thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/brash/thesaurus/synonyms>.
MLASmart Define. "brash thesaurus" 3 August 2015. Web. 24 September 2026. <https://smartdefine.org/brash/thesaurus/synonyms>